Özet:

For every decision that arises as a result of the "decision" which is necessary in many stages of your life, the achievement of the desired results depends on the proper performance of the process. In this process, decision makers can prefer a lot of different methods: it can be moved with intuitions or a variety of mathematical methods can be used. The need in solving problems and if necessary in the effectiveness of decisions will not be denied, and the elements that the age requires are computer technologies, information systems. Therefore, the rapid and timely access to the necessary information and the improvement of the quality of decisions have become widespread with the use of information systems in recent years. In this work, the accounting information system MBS, which is an important information system that will provide in time the information necessary for the functions and organizational processes of the manager who is in the decision-making position in the management and business in the context of these developments, is focused on. While the diversity of decisions taken in the management stages is known, it is also clear that in this process the MBS alone may not be enough. In this context, the decision support systems, which is another system to support the management stages of the system concerned, will not be independent of the KDS. In the light of these data, our study has been aimed at exploring what kind of administrative decisions are used in the relationship between MBS and KDS and the impact of this relationship on the decision-making activities. An example of this application is also included in the work. Capital in a holding that operates in many areas from construction to shopping centers, receiving management, etc. Due to the importance given to the control of the subjects, the income, capacity, etc. of the daily cash entry and output, the expenses incurred in the preparation of the budget, the income, capacity, etc. of the sales, production and marketing departments. Information systems relating to the management of the issues have been attempted to contribute. In this context, data from other information systems in holding, staff, production, marketing, distribution, accounting system, are processed, statistical models and decision support systems are converted into reports with the help of Specialist Systems. Data processors are transferred to the accounting information system and included in the decision-making process. The effectiveness of the decisions taken is evaluated again with the help of analytical modelling and feedback is given to the system. reports are presented to the department managers and to the senior management. Alternative plans for failures are being prepared and implemented. Simultaneously, corporate change and developments are increasing investments in information systems in the company. From Management Information Systems to Proactive Decision Support Systems, OLAP, Internet and Web are required broad support tools that provide information about the operating functions and decision-making processes.

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